Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://ttraff.me/wix?keyword=big+win+soccer+mod+apk In PDF document text

  • http://files.matthewkingphotography.com/uploads/1/3/1/4/131437680/43175.pdfIn PDF document text
  • http://files.usafala.afaparents.org/uploads/1/3/0/7/130775911/8247624.pdfIn PDF document text
  • http://files.gettysburgchambermusic.org/uploads/1/3/0/7/130775257/vusewawikub.pdfIn PDF document text
  • http://karetifi.sacredheartepri.com/uploads/1/3/1/3/131379803/fopezikidolo-daboxo.pdfIn PDF document text
  • http://files.manorumc.org/uploads/1/3/2/7/132712129/sakutubareg.pdfIn PDF document text
  • http://vosijo.allensonarmory.com/uploads/1/3/1/4/131407227/ed957.pdfIn PDF document text
  • http://laxamug.jbcoachescorner.com/uploads/1/3/2/3/132303195/kikete.pdfIn PDF document text
  • http://files.stimuluslanka.com/uploads/1/3/1/0/131070469/tutubigofebozi.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0457/4583/2092/files/new_bodo_song_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6172/2788/files/19558745817.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0127/3750/files/the_ascended_masters_light_the_way.pdfIn PDF document text
  • https://c25c66a1-3af4-490d-b5a7-a18f9ed347f0.filesusr.com/ugd/96a426_d46dc2af97ec4335acd8c9230a978baf.pdf?index=trueIn PDF document text
  • https://9b09fe94-15d9-43ce-a6e4-495bc609c452.filesusr.com/ugd/9cb927_9da66aa4330e4ede92096474844bee6f.pdf?index=trueIn PDF document text
  • https://558a2432-e936-4811-8006-0f08de7e2367.filesusr.com/ugd/7d21c0_2aa36c5537964f1783462d6801f51a4c.pdf?index=trueIn PDF document text
  • https://bbe1d4b9-7a49-4ed6-987b-955bf9b50d8b.filesusr.com/ugd/8d5d69_e0444b70f2eb4fa6bc9ea3b25c2f7cd3.pdf?index=trueIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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